Antitumor agents 269. Non-aromatic ring-A neotanshinlactone analog, TNO, as a new class of potent antitumor agents

[摘要]：Tetrahydroneotanshinlactone (TNT) and tetrahydronaphthalene-1-ol (TNO) derivatives were designed, synthesized, and evaluated for cytotoxic activity. The TNO derivatives were found to be a promising novel class of in vitro antitumor agents. The cyclohexene ring-A could dramatically affect the antitumor activity and selectivity. Compound 20 showed the highest potency with ED50 values of 0.7 and 1.7 mu M against SK-BR-3 and ZR-75-1 breast cancer cell lines, respectively. (C) 2009 Elsevier Ltd. All rights reserved.

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